Vending machine



FIG. 1 is a top, front, right perspective view of a vending machine showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The unshaded regions, demarcated by broken lines, represent unclaimed portions of the vending machine and form no part of the claimed design. The broken lines showing the remainder of the vending machine are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a vending machine, as shown and described. 